Excitation of a transverse magnetic waveguide mode near cutoff in a free-electron laser

Willett, Joseph E.; Aktas, Yildirim; Mehdian, Hassan
April 1995
Physics of Plasmas;Apr95, Vol. 2 Issue 4, p1311
Academic Journal
Studies a free-electron laser with a helical wiggler field, axial guide field operating in the collective regime infinitesimally above cutoff of a transverse magnetic mode. Beam-frame analysis of the parametric decay of the wiggler wave into a forward scattered space-charge wave.


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